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Ideal Tape Co. Inc.
450

Flex Seal® Air Duct Closure Tape

Ideal's Flex Seal® 450 is a printed biaxially-oriented polypropylene (BOPP) film with a high performance solvent acrylic adhesive system. The product is available in two colors - black with white print and silver metallized with black print. It is typically used as a closure system on Class 1 flexible air ducts and connections in HVAC applications.

Product Properties Related Information Custom Quote

Converting Services

At Budnick, we specialize in custom converting these materials into labor saving, user-friendly parts.

Backing/Carrier PP - Polypropylene
Adhesive Acrylic
Thickness 3 Mils
Tensile 29.00 lbs/in
Elongation 140.00%
Adhesive Activation Pressure
Adhesion (unwind) 33.5 oz/in
Min. Application Temp 40° F
Min. Service Temp -65° F
Max Short-Term Temp 212° F
Max Long-Term Temp

Product Features

  • UL 181B-FX approved
  • Protects against flame spread and smoke generation
  • Resistant to mold growth
  • Not affected by extremes in temperatures
  • Provides superior adhesion to polyethylene and metal
  • Contractor friendly - hand tearable, conformable, and flexible
  • Flame Spread 3; smoke developed 0

Markets Served

  • Construction

Adhesive Tape Applications

  • Specifically designed for use as a closure system on flexible air ducts and connections - can also be used for sealing metal duct and metal connections in HVAC systems

Adhesive Tape Colors

  • Black
  • Silver

Data provided by Budnick Converting, Inc.

The physical properties listed are typical values and are not to be considered as specifications. Our suggestions for use are based on tests we believe to be reliable. However, the purchaser must carry out their own tests to determine the suitability of the product for their internal use. Information is given in good faith, but without warranty.

It is essential, as with all pressure-sensitive tapes, that the surface to which the tape is applied be clean, dry and free of grease and oil.

Shelf life from date of manufacture is based on the product being stored at 70°F(21°C) / 50% relative humidity out of direct sunlight.

Specification compliance is dynamic and should only be used as a general guide. Always confirm that the tape you are interested in currently complies with all specification requirements. Please verify that the product number that you select is available in the proper size and color to meet your specification.